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Finding the Fourth Proportional to 99,668.22, 149,531.22 and 29,549.22

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Solution

The fourth proportional to 99,668.22, 149,531.22 and 29,549.22 is: 44,332.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,668.22 : 149,531.22 = 29,549.22 : x
  2. Step 2: Convert to fraction form
    99,668.22/149,531.22 = 29,549.22/x
  3. Step 3: Cross multiply
    99,668.22x = 149,531.22 × 29,549.22
  4. Step 4: Simplify right side
    99,668.22x = 4,418,530,916.65
  5. Step 5: Solve for x
    x = 4,418,530,916.65/99,668.22
  6. Step 6: Final answer
    x = 44,332.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.